PAT DS150 - Lever Lockout Activated Troubleshooting

Troubleshooting Flow Charts
23
PROBLEM: The lever lockout system of the crane is activated. Crane movements “hoist up”, “telescope
out”, and “boom down” are stopped. Crane is not in overload or two -block condition.
Lever Lockout Activated
Start
Set the override key switch in central unit into upper position to override
Fixed
YES
NO
Does console indicate Anti-Two-block warning?
NO Yes
Fault in crane electric
or hydraulic system.
If console display is
blank fault is located in
power supply, wiring or
fuses .
Fault in Anti-Two
Block system.
If Load Moment Limit Light
displays fault, it is located in
LMI, cables, wiring, fuses, or
console.
Check lever lockout
system in crane.
Go to Flow Chart 4 Go to Flow Chart 5
Read error code displayed
on console and go to
Section 6.